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Get rid of the no longer used ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
[wine/multimedia.git] / dlls / dmloader / container.c
blobce5a6a6eb1bd0d120a9009a4138023bb1aa5c58b
1 /* IDirectMusicContainerImpl
2 *
3 * Copyright (C) 2003-2004 Rok Mandeljc
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #include "dmloader_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
23 WINE_DECLARE_DEBUG_CHANNEL(dmfile);
24 WINE_DECLARE_DEBUG_CHANNEL(dmdump);
25
26 #define DMUS_MAX_CATEGORY_SIZE DMUS_MAX_CATEGORY*sizeof(WCHAR)
27 #define DMUS_MAX_NAME_SIZE DMUS_MAX_NAME*sizeof(WCHAR)
28 #define DMUS_MAX_FILENAME_SIZE DMUS_MAX_FILENAME*sizeof(WCHAR)
29
30 /*****************************************************************************
31 * IDirectMusicContainerImpl implementation
32 */
33 /* IUnknown/IDirectMusicContainer part: */
34 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface (LPDIRECTMUSICCONTAINER iface, REFIID riid, LPVOID *ppobj) {
35 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
36
37 TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
38 if (IsEqualIID (riid, &IID_IUnknown) ||
39 IsEqualIID (riid, &IID_IDirectMusicContainer)) {
40 *ppobj = (LPVOID)&This->ContainerVtbl;
41 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
42 return S_OK;
43 } else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
44 *ppobj = (LPVOID)&This->ObjectVtbl;
45 IDirectMusicContainerImpl_IDirectMusicObject_AddRef ((LPDIRECTMUSICOBJECT)&This->ObjectVtbl);
46 return S_OK;
47 } else if (IsEqualIID (riid, &IID_IPersistStream)) {
48 *ppobj = (LPVOID)&This->PersistStreamVtbl;
49 IDirectMusicContainerImpl_IPersistStream_AddRef ((LPPERSISTSTREAM)&This->PersistStreamVtbl);
50 return S_OK;
51 }
52
53 WARN(": not found\n");
54 return E_NOINTERFACE;
55 }
56
57 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_AddRef (LPDIRECTMUSICCONTAINER iface) {
58 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
59 TRACE("(%p): AddRef from %ld\n", This, This->dwRef);
60 return InterlockedIncrement (&This->dwRef);
61 }
62
63 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_Release (LPDIRECTMUSICCONTAINER iface) {
64 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
65
66 DWORD dwRef = InterlockedDecrement (&This->dwRef);
67 TRACE("(%p): ReleaseRef to %ld\n", This, dwRef);
68 if (dwRef == 0) {
69 DMUSIC_DestroyDirectMusicContainerImpl (iface);
70 HeapFree(GetProcessHeap(), 0, This);
71 }
72
73 return dwRef;
74 }
75
76 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject (LPDIRECTMUSICCONTAINER iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc, WCHAR* pwszAlias) {
77 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
78 struct list *pEntry;
79 LPWINE_CONTAINER_ENTRY pContainedObject;
80 DWORD dwCount = 0;
81
82 TRACE("(%p, %s, %ld, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
83
84 /* check if we can write to whole pDesc */
85 if (pDesc) {
86 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
87 ERR(": pDesc->dwSize bad read pointer\n");
88 return E_POINTER;
89 }
90 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
91 ERR(": invalid pDesc->dwSize\n");
92 return E_INVALIDARG;
93 }
94 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
95 ERR(": pDesc bad write pointer\n");
96 return E_POINTER;
97 }
98 }
99 /* check if we wszAlias is big enough */
100 if (pwszAlias && IsBadWritePtr (pwszAlias, DMUS_MAX_FILENAME_SIZE)) {
101 ERR(": wszAlias bad write pointer\n");
102 return E_POINTER;
103 }
104
105 DM_STRUCT_INIT(pDesc);
106
107 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
108 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
109
110 if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
111 if (dwCount == dwIndex) {
112 HRESULT result = S_OK;
113 if (pwszAlias) {
114 strncpyW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
115 if (strlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
116 result = DMUS_S_STRING_TRUNCATED;
117 }
118 if (pDesc)
119 memcpy (pDesc, &pContainedObject->Desc, sizeof(DMUS_OBJECTDESC));
120 return result;
121 }
122 dwCount++;
123 }
124 }
125
126 TRACE(": not found\n");
127 return S_FALSE;
128 }
129
130 IDirectMusicContainerVtbl DirectMusicContainer_Container_Vtbl = {
131 IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface,
132 IDirectMusicContainerImpl_IDirectMusicContainer_AddRef,
133 IDirectMusicContainerImpl_IDirectMusicContainer_Release,
134 IDirectMusicContainerImpl_IDirectMusicContainer_EnumObject
135 };
136
137 /* IDirectMusicObject part: */
138 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
139 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
140 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
141 }
142
143 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
144 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
145 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
146 }
147
148 ULONG WINAPI IDirectMusicContainerImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
149 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
150 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
151 }
152
153 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
154 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
155 TRACE("(%p, %p):\n", This, pDesc);
156
157 /* check if whe can write to whole pDesc */
158 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
159 ERR(": pDesc->dwSize bad read pointer\n");
160 return E_POINTER;
161 }
162 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
163 ERR(": invalid pDesc->dwSize\n");
164 return E_INVALIDARG;
165 }
166 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
167 ERR(": pDesc bad write pointer\n");
168 return E_POINTER;
169 }
170
171 DM_STRUCT_INIT(pDesc);
172 memcpy (pDesc, &This->Desc, sizeof(DMUS_OBJECTDESC));
173
174 return S_OK;
175 }
176
177 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
178 DWORD dwNewFlags = 0;
179 DWORD dwFlagDifference;
180 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
181 TRACE("(%p, %p):\n", This, pDesc);
182
183 /* check if whe can read whole pDesc */
184 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
185 ERR(": pDesc->dwSize bad read pointer\n");
186 return E_POINTER;
187 }
188 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
189 ERR(": invalid pDesc->dwSize\n");
190 return E_INVALIDARG;
191 }
192 if (IsBadReadPtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
193 ERR(": pDesc bad read pointer\n");
194 return E_POINTER;
195 }
196
197 if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
198 memcpy (&This->Desc.guidObject, &pDesc->guidObject, sizeof(GUID));
199 dwNewFlags |= DMUS_OBJ_OBJECT;
200 }
201 if (pDesc->dwValidData & DMUS_OBJ_NAME) {
202 strncpyW (This->Desc.wszName, pDesc->wszName, DMUS_MAX_NAME);
203 dwNewFlags |= DMUS_OBJ_NAME;
204 }
205 if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) {
206 strncpyW (This->Desc.wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
207 dwNewFlags |= DMUS_OBJ_CATEGORY;
208 }
209 if (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) {
210 strncpyW (This->Desc.wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
211 dwNewFlags |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
212 }
213 if (pDesc->dwValidData & DMUS_OBJ_VERSION) {
214 This->Desc.vVersion.dwVersionLS = pDesc->vVersion.dwVersionLS;
215 This->Desc.vVersion.dwVersionMS = pDesc->vVersion.dwVersionMS;
216 dwNewFlags |= DMUS_OBJ_VERSION;
217 }
218 if (pDesc->dwValidData & DMUS_OBJ_DATE) {
219 This->Desc.ftDate.dwHighDateTime = pDesc->ftDate.dwHighDateTime;
220 This->Desc.ftDate.dwLowDateTime = pDesc->ftDate.dwLowDateTime;
221 dwNewFlags |= DMUS_OBJ_DATE;
222 }
223 /* set new flags */
224 This->Desc.dwValidData |= dwNewFlags;
225
226 dwFlagDifference = pDesc->dwValidData - dwNewFlags;
227 if (dwFlagDifference) {
228 pDesc->dwValidData &= ~dwFlagDifference; /* and with bitwise complement */
229 return S_FALSE;
230 } else return S_OK;
231 }
232
233 HRESULT WINAPI IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
234 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ObjectVtbl, iface);
235 WINE_CHUNK Chunk;
236 DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
237 LARGE_INTEGER liMove; /* used when skipping chunks */
238
239 TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
240
241 /* check whether arguments are OK */
242 if (IsBadReadPtr (pStream, sizeof(LPVOID))) {
243 ERR(": pStream bad read pointer\n");
244 return E_POINTER;
245 }
246 /* check whether pDesc is OK */
247 if (IsBadReadPtr (pDesc, sizeof(DWORD))) {
248 ERR(": pDesc->dwSize bad read pointer\n");
249 return E_POINTER;
250 }
251 if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
252 ERR(": invalid pDesc->dwSize\n");
253 return E_INVALIDARG;
254 }
255 if (IsBadWritePtr (pDesc, sizeof(DMUS_OBJECTDESC))) {
256 ERR(": pDesc bad write pointer\n");
257 return E_POINTER;
258 }
259
260 DM_STRUCT_INIT(pDesc);
261
262 /* here we go... */
263 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
264 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
265 switch (Chunk.fccID) {
266 case FOURCC_RIFF: {
267 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
268 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
269 StreamSize = Chunk.dwSize - sizeof(FOURCC);
270 StreamCount = 0;
271 if (Chunk.fccID == DMUS_FOURCC_CONTAINER_FORM) {
272 TRACE_(dmfile)(": container form\n");
273 /* set guidClass */
274 pDesc->dwValidData |= DMUS_OBJ_CLASS;
275 memcpy (&pDesc->guidClass, &CLSID_DirectMusicContainer, sizeof(CLSID));
276 do {
277 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
278 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
279 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
280 switch (Chunk.fccID) {
281 case DMUS_FOURCC_GUID_CHUNK: {
282 TRACE_(dmfile)(": GUID chunk\n");
283 pDesc->dwValidData |= DMUS_OBJ_OBJECT;
284 IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
285 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&pDesc->guidObject));
286 break;
287 }
288 case DMUS_FOURCC_VERSION_CHUNK: {
289 TRACE_(dmfile)(": version chunk\n");
290 pDesc->dwValidData |= DMUS_OBJ_VERSION;
291 IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
292 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&pDesc->vVersion));
293 break;
294 }
295 case DMUS_FOURCC_DATE_CHUNK: {
296 TRACE_(dmfile)(": date chunk\n");
297 IStream_Read (pStream, &pDesc->ftDate, Chunk.dwSize, NULL);
298 pDesc->dwValidData |= DMUS_OBJ_DATE;
299 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&pDesc->ftDate));
300 break;
301 }
302 case DMUS_FOURCC_CATEGORY_CHUNK: {
303 TRACE_(dmfile)(": category chunk\n");
304 /* if it happens that string is too long,
305 read what we can and skip the rest*/
306 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
307 IStream_Read (pStream, pDesc->wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
308 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
309 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
310 } else {
311 IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
312 }
313 pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
314 TRACE_(dmdump)(": category: %s\n", debugstr_w(pDesc->wszCategory));
315 break;
316 }
317 case FOURCC_LIST: {
318 IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
319 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
320 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
321 ListCount[0] = 0;
322 switch (Chunk.fccID) {
323 /* evil M$ UNFO list, which can (!?) contain INFO elements */
324 case DMUS_FOURCC_UNFO_LIST: {
325 TRACE_(dmfile)(": UNFO list\n");
326 do {
327 IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
328 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
329 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
330 switch (Chunk.fccID) {
331 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
332 (though strings seem to be valid unicode) */
333 case mmioFOURCC('I','N','A','M'):
334 case DMUS_FOURCC_UNAM_CHUNK: {
335 TRACE_(dmfile)(": name chunk\n");
336 /* if it happens that string is too long,
337 read what we can and skip the rest*/
338 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
339 IStream_Read (pStream, pDesc->wszName, DMUS_MAX_NAME_SIZE, NULL);
340 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
341 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
342 } else {
343 IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
344 }
345 pDesc->dwValidData |= DMUS_OBJ_NAME;
346 TRACE_(dmdump)(": name: %s\n", debugstr_w(pDesc->wszName));
347 break;
348 }
349 default: {
350 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
351 liMove.QuadPart = Chunk.dwSize;
352 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
353 break;
354 }
355 }
356 TRACE_(dmfile)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount[0], ListSize[0]);
357 } while (ListCount[0] < ListSize[0]);
358 break;
359 }
360 default: {
361 TRACE_(dmfile)(": unknown (skipping)\n");
362 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
363 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
364 break;
365 }
366 }
367 break;
368 }
369 default: {
370 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
371 liMove.QuadPart = Chunk.dwSize;
372 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
373 break;
374 }
375 }
376 TRACE_(dmfile)(": StreamCount[0] = 0x%08lX < StreamSize[0] = 0x%08lX\n", StreamCount, StreamSize);
377 } while (StreamCount < StreamSize);
378 break;
379 } else {
380 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
381 liMove.QuadPart = StreamSize;
382 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
383 return E_FAIL;
384 }
385
386 TRACE_(dmfile)(": reading finished\n");
387 break;
388 }
389 default: {
390 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
391 liMove.QuadPart = Chunk.dwSize;
392 IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
393 return DMUS_E_INVALIDFILE;
394 }
395 }
396
397 TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
398 return S_OK;
399 }
400
401 IDirectMusicObjectVtbl DirectMusicContainer_Object_Vtbl = {
402 IDirectMusicContainerImpl_IDirectMusicObject_QueryInterface,
403 IDirectMusicContainerImpl_IDirectMusicObject_AddRef,
404 IDirectMusicContainerImpl_IDirectMusicObject_Release,
405 IDirectMusicContainerImpl_IDirectMusicObject_GetDescriptor,
406 IDirectMusicContainerImpl_IDirectMusicObject_SetDescriptor,
407 IDirectMusicContainerImpl_IDirectMusicObject_ParseDescriptor
408 };
409
410 /* IPersistStream part: */
411 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
412 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
413 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl, riid, ppobj);
414 }
415
416 ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
417 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
418 return IDirectMusicContainerImpl_IDirectMusicContainer_AddRef ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
419 }
420
421 ULONG WINAPI IDirectMusicContainerImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
422 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
423 return IDirectMusicContainerImpl_IDirectMusicContainer_Release ((LPDIRECTMUSICCONTAINER)&This->ContainerVtbl);
424 }
425
426 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
427 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
428
429 TRACE("(%p, %p)\n", This, pClassID);
430 if (IsBadWritePtr (pClassID, sizeof(CLSID))) {
431 ERR(": pClassID bad write pointer\n");
432 return E_POINTER;
433 }
434
435 *pClassID = CLSID_DirectMusicContainer;
436 return S_OK;
437 }
438
439 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
440 /* FIXME: is implemented (somehow) */
441 return E_NOTIMPL;
442 }
443
444 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
445 ICOM_THIS_MULTI(IDirectMusicContainerImpl, PersistStreamVtbl, iface);
446 WINE_CHUNK Chunk;
447 DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
448 LARGE_INTEGER liMove; /* used when skipping chunks */
449 ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
450 LPDIRECTMUSICGETLOADER pGetLoader;
451 LPDIRECTMUSICLOADER pLoader;
452 HRESULT result = S_OK;
453
454 TRACE("(%p, %p):\n", This, pStm);
455
456 /* check whether pStm is valid read pointer */
457 if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
458 ERR(": pStm bad read pointer\n");
459 return E_POINTER;
460 }
461 /* if stream is already set, this means we're loaded already */
462 if (This->pStream) {
463 TRACE(": stream is already set, which means container is already loaded\n");
464 return DMUS_E_ALREADY_LOADED;
465 }
466
467 /* get loader since it will be needed later */
468 if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
469 ERR(": stream not supported\n");
470 return DMUS_E_UNSUPPORTED_STREAM;
471 }
472 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
473 IDirectMusicGetLoader_Release (pGetLoader);
474
475 This->pStream = pStm;
476 IStream_AddRef (pStm); /* add count for later references */
477
478 /* start with load */
479 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
480 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
481 switch (Chunk.fccID) {
482 case FOURCC_RIFF: {
483 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
484 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
485 StreamSize = Chunk.dwSize - sizeof(FOURCC);
486 StreamCount = 0;
487 switch (Chunk.fccID) {
488 case DMUS_FOURCC_CONTAINER_FORM: {
489 TRACE_(dmfile)(": container form\n");
490 memcpy (&This->Desc.guidClass, &CLSID_DirectMusicContainer, sizeof(CLSID));
491 This->Desc.dwValidData |= DMUS_OBJ_CLASS;
492 do {
493 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
494 StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
495 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
496 switch (Chunk.fccID) {
497 case DMUS_FOURCC_CONTAINER_CHUNK: {
498 TRACE_(dmfile)(": container header chunk\n");
499 IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
500 TRACE_(dmdump)(": container header chunk:\n%s", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
501 break;
502 }
503 case DMUS_FOURCC_GUID_CHUNK: {
504 TRACE_(dmfile)(": GUID chunk\n");
505 IStream_Read (pStm, &This->Desc.guidObject, Chunk.dwSize, NULL);
506 This->Desc.dwValidData |= DMUS_OBJ_OBJECT;
507 TRACE_(dmdump)(": GUID: %s\n", debugstr_guid(&This->Desc.guidObject));
508 break;
509 }
510 case DMUS_FOURCC_VERSION_CHUNK: {
511 TRACE_(dmfile)(": version chunk\n");
512 IStream_Read (pStm, &This->Desc.vVersion, Chunk.dwSize, NULL);
513 This->Desc.dwValidData |= DMUS_OBJ_VERSION;
514 TRACE_(dmdump)(": version: %s\n", debugstr_dmversion(&This->Desc.vVersion));
515 break;
516 }
517 case DMUS_FOURCC_DATE_CHUNK: {
518 TRACE_(dmfile)(": date chunk\n");
519 IStream_Read (pStm, &This->Desc.ftDate, Chunk.dwSize, NULL);
520 This->Desc.dwValidData |= DMUS_OBJ_DATE;
521 TRACE_(dmdump)(": date: %s\n", debugstr_filetime(&This->Desc.ftDate));
522 break;
523 }
524 case DMUS_FOURCC_CATEGORY_CHUNK: {
525 TRACE_(dmfile)(": category chunk\n");
526 /* if it happens that string is too long,
527 read what we can and skip the rest*/
528 if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
529 IStream_Read (pStm, This->Desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
530 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
531 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
532 } else {
533 IStream_Read (pStm, This->Desc.wszCategory, Chunk.dwSize, NULL);
534 }
535 This->Desc.dwValidData |= DMUS_OBJ_CATEGORY;
536 TRACE_(dmdump)(": category: %s\n", debugstr_w(This->Desc.wszCategory));
537 break;
538 }
539 case FOURCC_LIST: {
540 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
541 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
542 ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
543 ListCount[0] = 0;
544 switch (Chunk.fccID) {
545 case DMUS_FOURCC_UNFO_LIST: {
546 TRACE_(dmfile)(": UNFO list\n");
547 do {
548 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
549 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
550 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
551 switch (Chunk.fccID) {
552 /* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
553 (though strings seem to be valid unicode) */
554 case mmioFOURCC('I','N','A','M'):
555 case DMUS_FOURCC_UNAM_CHUNK: {
556 TRACE_(dmfile)(": name chunk\n");
557 /* if it happens that string is too long,
558 read what we can and skip the rest*/
559 if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
560 IStream_Read (pStm, This->Desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
561 liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
562 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
563 } else {
564 IStream_Read (pStm, This->Desc.wszName, Chunk.dwSize, NULL);
565 }
566 This->Desc.dwValidData |= DMUS_OBJ_NAME;
567 TRACE_(dmdump)(": name: %s\n", debugstr_w(This->Desc.wszName));
568 break;
569 }
570 default: {
571 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
572 liMove.QuadPart = Chunk.dwSize;
573 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
574 break;
575 }
576 }
577 TRACE_(dmfile)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount[0], ListSize[0]);
578 } while (ListCount[0] < ListSize[0]);
579 break;
580 }
581 case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
582 TRACE_(dmfile)(": contained objects list\n");
583 do {
584 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
585 ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
586 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
587 switch (Chunk.fccID) {
588 case FOURCC_LIST: {
589 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
590 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
591 ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
592 ListCount[1] = 0;
593 switch (Chunk.fccID) {
594 case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
595 LPWINE_CONTAINER_ENTRY pNewEntry;
596 TRACE_(dmfile)(": contained object list\n");
597 pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
598 DM_STRUCT_INIT(&pNewEntry->Desc);
599 do {
600 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
601 ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
602 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
603 switch (Chunk.fccID) {
604 case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
605 TRACE_(dmfile)(": alias chunk\n");
606 pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
607 IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
608 TRACE_(dmdump)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
609 break;
610 }
611 case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
612 DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
613 TRACE_(dmfile)(": contained object header chunk\n");
614 IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
615 TRACE_(dmdump)(": contained object header: \n%s", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
616 /* copy guidClass */
617 pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
618 memcpy (&pNewEntry->Desc.guidClass, &tmpObjectHeader.guidClassID, sizeof(GUID));
619 /* store flags */
620 pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
621 break;
622 }
623 /* now read data... it may be safe to read everything after object header chunk,
624 but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
625 case FOURCC_LIST: {
626 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
627 TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
628 ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
629 ListCount[2] = 0;
630 switch (Chunk.fccID) {
631 case DMUS_FOURCC_REF_LIST: {
632 TRACE_(dmfile)(": reference list\n");
633 pNewEntry->bIsRIFF = 0;
634 do {
635 IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
636 ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
637 TRACE_(dmfile)(": %s chunk (size = 0x%08lX)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
638 switch (Chunk.fccID) {
639 case DMUS_FOURCC_REF_CHUNK: {
640 DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
641 TRACE_(dmfile)(": reference header chunk\n");
642 memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
643 IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
644 /* copy retrieved data to DMUS_OBJECTDESC */
645 if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
646 /* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
647 yet if they happen to be different, I'd rather stick to this one */
648 memcpy (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID, sizeof(GUID));
649 pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
650 break;
651 }
652 case DMUS_FOURCC_GUID_CHUNK: {
653 TRACE_(dmfile)(": guid chunk\n");
654 /* no need to set flags since they were copied from reference header */
655 IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
656 break;
657 }
658 case DMUS_FOURCC_DATE_CHUNK: {
659 TRACE_(dmfile)(": file date chunk\n");
660 /* no need to set flags since they were copied from reference header */
661 IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
662 break;
663 }
664 case DMUS_FOURCC_NAME_CHUNK: {
665 TRACE_(dmfile)(": name chunk\n");
666 /* no need to set flags since they were copied from reference header */
667 IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
668 break;
669 }
670 case DMUS_FOURCC_FILE_CHUNK: {
671 TRACE_(dmfile)(": file name chunk\n");
672 /* no need to set flags since they were copied from reference header */
673 IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
674 break;
675 }
676 case DMUS_FOURCC_CATEGORY_CHUNK: {
677 TRACE_(dmfile)(": category chunk\n");
678 /* no need to set flags since they were copied from reference header */
679 IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
680 break;
681 }
682 case DMUS_FOURCC_VERSION_CHUNK: {
683 TRACE_(dmfile)(": version chunk\n");
684 /* no need to set flags since they were copied from reference header */
685 IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
686 break;
687 }
688 default: {
689 TRACE_(dmfile)(": unknown chunk (skipping)\n");
690 liMove.QuadPart = Chunk.dwSize;
691 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
692 break;
693 }
694 }
695 TRACE_(dmfile)(": ListCount[2] = 0x%08lX < ListSize[2] = 0x%08lX\n", ListCount[2], ListSize[2]);
696 } while (ListCount[2] < ListSize[2]);
697 break;
698 }
699 default: {
700 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
701 return E_FAIL;
702 }
703 }
704 break;
705 }
706
707 case FOURCC_RIFF: {
708 IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
709 TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
710 if (IS_VALID_DMFORM (Chunk.fccID)) {
711 TRACE_(dmfile)(": valid DMUSIC form\n");
712 pNewEntry->bIsRIFF = 1;
713 /* we'll have to skip whole RIFF chunk after SetObject is called */
714 liMove.QuadPart = 0;
715 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
716 uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
717 /* move at the beginning of RIFF chunk */
718 liMove.QuadPart = 0;
719 liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
720 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
721 /* put pointer to stream in descriptor */
722 pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
723 pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
724 /* wait till we get on the end of object list */
725 } else {
726 TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
727 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
728 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
729 /* FIXME: should we return E_FAIL? */
730 }
731 break;
732 }
733 default: {
734 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
735 liMove.QuadPart = Chunk.dwSize;
736 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
737 break;
738 }
739 }
740 TRACE_(dmfile)(": ListCount[1] = 0x%08lX < ListSize[1] = 0x%08lX\n", ListCount[1], ListSize[1]);
741 } while (ListCount[1] < ListSize[1]);
742 /* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
743 IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
744 /* now that SetObject collected appropriate info into descriptor we can live happily ever after;
745 or not, since we have to clean evidence of loading through stream... *sigh*
746 and we have to skip rest of the chunk, if we loaded through RIFF */
747 if (pNewEntry->bIsRIFF) {
748 liMove.QuadPart = uliPos.QuadPart;
749 IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
750 pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
751 pNewEntry->Desc.pStream = NULL;
752 }
753 /* add entry to list of objects */
754 list_add_tail (This->pContainedObjects, &pNewEntry->entry);
755 break;
756 }
757 default: {
758 TRACE_(dmfile)(": unknown (skipping)\n");
759 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
760 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
761 break;
762 }
763 }
764 break;
765 }
766 default: {
767 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
768 liMove.QuadPart = Chunk.dwSize;
769 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
770 break;
771 }
772 }
773 TRACE_(dmfile)(": ListCount[0] = 0x%08lX < ListSize[0] = 0x%08lX\n", ListCount[0], ListSize[0]);
774 } while (ListCount[0] < ListSize[0]);
775 break;
776 }
777 default: {
778 TRACE_(dmfile)(": unknown (skipping)\n");
779 liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
780 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
781 break;
782 }
783 }
784 break;
785 }
786 default: {
787 TRACE_(dmfile)(": unknown chunk (irrevelant & skipping)\n");
788 liMove.QuadPart = Chunk.dwSize;
789 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
790 break;
791 }
792 }
793 TRACE_(dmfile)(": StreamCount[0] = 0x%08lX < StreamSize[0] = 0x%08lX\n", StreamCount, StreamSize);
794 } while (StreamCount < StreamSize);
795 break;
796 }
797 default: {
798 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
799 liMove.QuadPart = StreamSize;
800 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
801 return E_FAIL;
802 }
803 }
804 TRACE_(dmfile)(": reading finished\n");
805 This->Desc.dwValidData |= DMUS_OBJ_LOADED;
806 break;
807 }
808 default: {
809 TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
810 liMove.QuadPart = Chunk.dwSize;
811 IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
812 return E_FAIL;
813 }
814 }
815
816 /* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
817 so when we call GetObject later, they'll already be in cache */
818 if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
819 struct list *pEntry;
820 LPWINE_CONTAINER_ENTRY pContainedObject;
821
822 TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
823
824 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
825 IDirectMusicObject* pObject;
826 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
827 /* get object from loader and then release it */
828 if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
829 pContainedObject->pObject = pObject; /* for final release */
830 IDirectMusicObject_Release (pObject); /* we don't really need this one */
831 } else {
832 WARN(": failed to load contained object\n");
833 result = DMUS_S_PARTIALLOAD;
834 }
835 }
836 }
837
838 IDirectMusicLoader_Release (pLoader); /* release loader */
839
840 #if 0
841 /* DEBUG: dumps whole container object tree: */
842 if (TRACE_ON(dmloader)) {
843 int r = 0;
844 LPWINE_CONTAINER_ENTRY tmpEntry;
845 struct list *listEntry;
846
847 TRACE("*** IDirectMusicContainer (%p) ***\n", This->ContainerVtbl);
848 TRACE(" - Objects:\n");
849 LIST_FOR_EACH (listEntry, This->pContainedObjects) {
850 tmpEntry = LIST_ENTRY( listEntry, WINE_CONTAINER_ENTRY, entry );
851 TRACE(" - Object[%i]:\n", r);
852 TRACE(" - wszAlias: %s\n", debugstr_w(tmpEntry->wszAlias));
853 TRACE(" - Object descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(&tmpEntry->Desc));
854 r++;
855 }
856 }
857 #endif
858
859 return result;
860 }
861
862 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
863 ERR(": should not be needed\n");
864 return E_NOTIMPL;
865 }
866
867 HRESULT WINAPI IDirectMusicContainerImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
868 ERR(": should not be needed\n");
869 return E_NOTIMPL;
870 }
871
872 IPersistStreamVtbl DirectMusicContainer_PersistStream_Vtbl = {
873 IDirectMusicContainerImpl_IPersistStream_QueryInterface,
874 IDirectMusicContainerImpl_IPersistStream_AddRef,
875 IDirectMusicContainerImpl_IPersistStream_Release,
876 IDirectMusicContainerImpl_IPersistStream_GetClassID,
877 IDirectMusicContainerImpl_IPersistStream_IsDirty,
878 IDirectMusicContainerImpl_IPersistStream_Load,
879 IDirectMusicContainerImpl_IPersistStream_Save,
880 IDirectMusicContainerImpl_IPersistStream_GetSizeMax
881 };
882
883 /* for ClassFactory */
884 HRESULT WINAPI DMUSIC_CreateDirectMusicContainerImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
885 IDirectMusicContainerImpl* obj;
886
887 obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
888 if (NULL == obj) {
889 *ppobj = (LPVOID) NULL;
890 return E_OUTOFMEMORY;
891 }
892 obj->ContainerVtbl = &DirectMusicContainer_Container_Vtbl;
893 obj->ObjectVtbl = &DirectMusicContainer_Object_Vtbl;
894 obj->PersistStreamVtbl = &DirectMusicContainer_PersistStream_Vtbl;
895 obj->dwRef = 0; /* will be inited by QueryInterface */
896 obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
897 list_init (obj->pContainedObjects);
898
899 /* increase number of instances */
900 InterlockedIncrement (&dwDirectMusicContainer);
901
902 return IDirectMusicContainerImpl_IDirectMusicContainer_QueryInterface ((LPDIRECTMUSICCONTAINER)&obj->ContainerVtbl, lpcGUID, ppobj);
903 }
904
905 HRESULT WINAPI DMUSIC_DestroyDirectMusicContainerImpl (LPDIRECTMUSICCONTAINER iface) {
906 ICOM_THIS_MULTI(IDirectMusicContainerImpl, ContainerVtbl, iface);
907 LPDIRECTMUSICLOADER pLoader;
908 LPDIRECTMUSICGETLOADER pGetLoader;
909 struct list *pEntry;
910 LPWINE_CONTAINER_ENTRY pContainedObject;
911
912 /* get loader (from stream we loaded from) */
913 TRACE(": getting loader\n");
914 IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
915 IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
916 IDirectMusicGetLoader_Release (pGetLoader);
917
918 /* release objects from loader's cache (if appropriate) */
919 TRACE(": releasing objects from loader's cache\n");
920 LIST_FOR_EACH (pEntry, This->pContainedObjects) {
921 pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
922 /* my tests indicate that container releases objects *only*
923 if they were loaded at it's load-time (makes sense, it doesn't
924 have pointers to objects otherwise); BTW: native container seems
925 ti ignore the flags (I won't) */
926 if (pContainedObject->pObject && !(pContainedObject->dwFlags & DMUS_CONTAINED_OBJF_KEEP)) {
927 /* flags say it shouldn't be kept in loader's cache */
928 IDirectMusicLoader_ReleaseObject (pLoader, pContainedObject->pObject);
929 }
930 }
931 IDirectMusicLoader_Release (pLoader);
932
933 /* release stream we loaded from */
934 IStream_Release (This->pStream);
935
936 /* FIXME: release allocated entries */
937
938 /* decrease number of instances */
939 InterlockedDecrement (&dwDirectMusicContainer);
940
941 return S_OK;
942 }
Maarten's multimedia branch